Having found the safety of the Greenland bunker after the comet Clarke decimated the Earth, the Garrity family must now risk everything to embark on a perilous journey across the wasteland of Europe to find a new home.

Henry, a newly resurrected cyborg who must save his wife/creator from the clutches of a psychotic tyrant with telekinetic powers, AKAN, and his army of mercenaries. Fighting alongside Henry is Jimmy, who is Henry's only hope to make it through the day. Hardcore Henry takes place over the course of one day, in Moscow, Russia.